Surge protection circuit, power supply device using same, and led illumination device
US-2025174988-A1 · May 29, 2025 · US
Anti-latching or quenching devices, i.e. bringing the protection device back to its normal state after a protection action
Anti-latching or quenching devices, i.e. bringing the protection device back to its normal state after a protection action · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H9/048 |
| Official title | {Anti-latching or quenching devices, i.e. bringing the protection device back to its normal state after a protection action} |
| Display label | Anti-latching or quenching devices, i.e. bringing the protection device back to its normal state after a protection action |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surge protection circuit, power supply device using same, and LED illumination device
US-12184062-B2 · Dec 31, 2024 · US
High-current, bidirectional protection circuits and methods
US-2024258792-A1 · Aug 1, 2024 · US
High-voltage, bidirectional protection circuits and methods
US-11962145-B2 · Apr 16, 2024 · US
System and method for controlling and monitoring parallel surge arresters and bushings of a power transformer and motor
US-11728641-B2 · Aug 15, 2023 · US
System and method for controlling and monitoring parallel surge arresters and bushings of a power transformer and motor
US-2023223748-A1 · Jul 13, 2023 · US
Surge protection circuit, power supply device using same, and led illumination device
US-2023020744-A1 · Jan 19, 2023 · US
High-voltage, bidirectional protection circuits and methods
US-2022393463-A1 · Dec 8, 2022 · US
Reduced flyback ESD surge protection
US-11201467-B2 · Dec 14, 2021 · US
Circuit board with electrostatic discharge protection mechanism and electronic apparatus having the same
US-11178752-B2 · Nov 16, 2021 · US
Reduced flyback esd surge protection
US-2021057908-A1 · Feb 25, 2021 · US
Method of lighting driver protection in case of loss of neutral connection, and lighting driver including such protection
US-10912174-B2 · Feb 2, 2021 · US
Over-voltage protection circuit for USB Type-C connector
US-10886731-B2 · Jan 5, 2021 · US
Over-voltage protection circuit for usb type-c connector
US-2020373756-A1 · Nov 26, 2020 · US
Crowbar protection circuit with discharge rate control
US-10547172-B2 · Jan 28, 2020 · US
Switching regulator and control circuit and control method thereof
US-10466732-B2 · Nov 5, 2019 · US
Switching regulator and control circuit and control method thereof
US-2019302822-A1 · Oct 3, 2019 · US
Method of lighting driver protection in case of loss of neutral connection, and lighting driver including such protection
US-2019215919-A1 · Jul 11, 2019 · US
Overvoltage protection circuit for USB interface
US-10148084-B2 · Dec 4, 2018 · US
Crowbar protection circuit with discharge rate control
US-2018309285-A1 · Oct 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H9/048?
- CPC H02H9/048 is the Cooperative Patent Classification code for “Anti-latching or quenching devices, i.e. bringing the protection device back to its normal state after a protection action.”
- How many patents are filed under CPC H02H9/048 (Anti-latching or quenching devices, i.e. bringing the protection device back to its normal state after a protection action)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC H02H9/048 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).